Home / 2,886.09-3,982.73-1,627.15

Finding the Fourth Proportional to 2,886.09, 3,982.73 and 1,627.15

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Solution

The fourth proportional to 2,886.09, 3,982.73 and 1,627.15 is: 2,245.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.09 : 3,982.73 = 1,627.15 : x
  2. Step 2: Convert to fraction form
    2,886.09/3,982.73 = 1,627.15/x
  3. Step 3: Cross multiply
    2,886.09x = 3,982.73 × 1,627.15
  4. Step 4: Simplify right side
    2,886.09x = 6,480,505.54
  5. Step 5: Solve for x
    x = 6,480,505.54/2,886.09
  6. Step 6: Final answer
    x = 2,245.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.